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Sodenkamp, Mariya
Kozlovskiy, Ilya
Staake, Thorsten
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[Journal:] Decision Analytics [ISSN:] 2193-8636 [Volume:] 3 [Year:] 2016 [Issue:] 1 [Pages:] 1-22
This paper presents a supervised classification model, where the indicators of correlation between dependent and independent variables within each class are utilized for a transformation of the large-scale input data to a lower dimension without loss of recognition relevant information. In the case study, we use the consumption data recorded by smart electricity meters of 4200 Irish dwellings along with half-hourly outdoor temperature to derive 12 household properties (such as type of heating, floor area, age of house, number of inhabitants, etc.). Survey data containing characteristics of 3500 households enables algorithm training. The results show that the presented model outperforms ordinary classifiers with regard to the accuracy and temporal characteristics. The model allows incorporating any kind of data affecting energy consumption time series, or in a more general case, the data affecting class-dependent variable, while minimizing the risk of the curse of dimensionality. The gained information on household characteristics renders targeted energy-efficiency measures of utility companies and public bodies possible.
Energy consumption
Household characteristics
Energy efficiency
Consumer behaviour
Pattern recognition
Multivariate analysis
Interdependent variables
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